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Petrol vs. Diesel
September 10, 2014 02:54 PM - ClickGreen Staff, ClickGreen
Climate change has made us question the things that we do, from buying food and using energy to riding planes and driving cars. One of the top questions surrounding climate change is this: Which fuel type is more environmentally friendly, petrol or diesel? Common knowledge would make us reply "diesel" right away, as engines running on diesel emit less carbon dioxide or CO2, and less CO2 is better to decrease the amount of greenhouse gases in the atmosphere. However, being eco-friendly isn't as simple as emitting less CO2. Diesel-powered vehicles may emit 20% less CO2 per kilometre travelled, but they may be more harmful for local pollution due to the tiny particles that are released by diesel engines into the atmosphere. The question really isn't which fuel or engine type is more environmentally friendly, as no form of engine that uses fossil fuels will ever become good for the environment. Rather, we should look at which has the capacity to inflict the least amount of damage to the environment.
Ozone pollution in India kills crops that could feed starving population
September 4, 2014 03:23 PM - ClickGreen Staff, ClickGreen
In one year, India's ozone pollution damaged millions of tons of the country's major crops, causing losses of more than a billion dollars and destroying enough food to feed tens of millions of people living below the poverty line. These are findings of a new study that looked at the agricultural effects in 2005 of high concentrations of ground-level ozone, a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. Able to acquire accurate crop production data for 2005, the study's authors chose it as a year representative of the effects of ozone damage over the first decade of the 21st century.
Study Suggests More Research before Fracking Continues
August 29, 2014 07:22 AM - ClickGreen Staff, ClickGreen
An independent report on fracking has recommended a temporary moratorium on the controversial process and says that communities should give permission before it can proceed. The interdisciplinary expert panel set up by the Nova Scotia regional government says the science of fracking is relatively unknown and therefore its introduction should be delayed in the Province until the science and its environmental effects are better understood.
Network of rapid EV chargers planned for London
August 27, 2014 07:17 AM - ClickGreen staff, ClickGreen
The Energy Saving Trust and Transport for London (TfL) have announced a new initiative to identify potential sites for rapid electric vehicle charging points across the capital. The scheme organisers say one of the aims of their programme is to help businesses expand their use of cleaner vans and light lorries throughout Greater London.
NASA reports unknown source of banned ozone-destroying compound
August 21, 2014 07:33 AM - ClickGreen Staff, ClickGreen
NASA research has revealed the Earth's atmosphere contains an unexpectedly large amount of an ozone-depleting compound from an unknown source decades after the compound was banned worldwide. Carbon tetrachloride (CCl4), which was once used in applications such as dry cleaning and as a fire-extinguishing agent, was regulated in 1987 under the Montreal Protocol along with other chlorofluorocarbons that destroy ozone and contribute to the ozone hole over Antarctica. Parties to the Montreal Protocol reported zero new CCl4 emissions between 2007-2012.
Harnessing High-Altitude Wind Energy
August 14, 2014 07:53 AM - ClickGreen Staff, ClickGreen
Researchers have discovered that the world's energy needs could easily be met by harnessing the power potential of high-altitude winds. Developers in an emerging field known as airborne wind energy envisage using devices that might look like parachutes or gliders to capture electricity from the strong, steady winds that blow well above the surface in certain regions.
Calentamiento del Océano Atlántico ligado a los vientos alisios del Pacífico
August 6, 2014 08:00 AM - Staff ClickGreen, ClickGreen, ClickGreen
Una nueva investigación ha encontrado un rápido calentamiento del Océano Atlántico el cual probablemente es causado por el calentamiento global y se ha alimentado de los vientos alisios del Pacífico Ecuatorial. Actualmente los vientos están a un nivel nunca antes visto en los registros observados, los cuales se extienden a la década de 1860. El aumento de estos vientos ha causado enfriamiento del este del Pacífico tropical, amplificación de la sequía californiana, ha acelerado el aumento del...
Spray-on Solar Panels?
August 4, 2014 03:33 PM - ClickGreen Staff, ClickGreen
A team of scientists at the University of Sheffield are the first to fabricate perovskite solar cells using a spray-painting process — a discovery that could help cut the cost of solar electricity. Experts from the University's Department of Physics and Astronomy and Department of Chemical and Biological Engineering have previously used the spray-painting method to produce solar cells using organic semiconductors - but using perovskite is a major step forward.
Atlantic Ocean warming linked to Pacific trade winds
August 4, 2014 07:38 AM - Staff ClickGreen, ClickGreen
New research has found rapid warming of the Atlantic Ocean, likely caused by global warming, has turbocharged Pacific Equatorial trade winds. Currently the winds are at a level never before seen on observed records, which extend back to the 1860s. The increase in these winds has caused eastern tropical Pacific cooling, amplified the Californian drought, accelerated sea level rise three times faster than the global average in the Western Pacific and has slowed the rise of global average surface temperatures since 2001.
La contaminación por plomo industrial alcanzó a los exploradores del Polo Sur
July 30, 2014 09:18 AM - ClickGreen Staff, ClickGreen, ClickGreen
El explorador noruego Roald Amundsen fue el primer hombre en llegar al Polo Sur en diciembre de 1911. Más de 100 años más tarde, un equipo internacional de científicos dirigido por Joe McConnell, del Instituto de Investigación del Desierto de Nevada (DRI), ha demostrado que la contaminación atmosférica procedente de las actividades industriales llegó mucho antes. Utilizando datos de 16 muestras de hielo recogidas en lugares muy separados entre sí en todo el continente antártico...